is this have a light novel

there is, but the translation is not complete. But if you want to read the mtl one, I can give you the link.

give please

https://www.koreanmtl.online/p/crimson-karma.html

but if you want to read the translation you can read here
https://phoenixwalktranslations.com/2020/07/23/crimson-karma-chapter-1/
(chapter 1, 20, 21)
https://noveltrench.com/manga/crimson-karma/ (chapter 2-19)

thank uu

what chap is the latest in this manhwa

chapter 60 is when Kashia come back from the mission. but I would suggest reading from the start because the emotions in the novel is much thicker than the manhwa.